★【Material】: CE certified, flame retardant material plastic, safe and lightweight. DOES THE JOB. The B22 to E27 conversion adapter allows you to use modern E27 LED bulbs to fit the B22 base. You can use the E27 base spiral bulb to light up the basement and closet! ★【Compatibility】: Bayonet adapter for E27 bulb. Compatible with energy saving lamp and E27 LED bulb less than 60W, not suitable for incandescent and heating lamps (UVA, UVB, etc.). If you want to put the retro E27 flame bulb into the old chandelier with a B22 socket, this is a good solution. ★【Function】: Bayonet screw socket adapter (B22 to E27). Easy to install, just screw the E27 bulb onto the adapter and then screw the assembly onto the lamp equipped with a B22 socket. Bayonet/screw adapter, very practical for adapting Philips Hue lamps to old models of luminaires. ★【Applications】: B22 to E27 socket converter, allows you to improve home lighting more easily! E27 bulbs can be seen everywhere, you can choose between modern